Definition Synonyms
Definition of addition - Reverso English Dictionary
Noun
1.
mathematicsmathematical process of adding numbers
- Children learn addition before multiplication..
2.
objectsomething added
- The new wing was a necessary addition to the hospital..
3.
constructionpart added to a building or land
- They built an addition to the house for extra space.
4.
chemistryTECH. reaction forming a larger molecule in chemistryTECH.
- The addition reaction created a new compound.
Images of addition

part added to a building or land
Expressions with addition
💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.
as well as something else
In addition to the cake, we have cookies.
something new that is happily received
The new park was a welcome addition to the neighborhood.
used to introduce another item
The package includes a book. In addition, there is a DVD.
new member recently welcomed into a household or close family group
Their new baby is the latest addition to the family.
chemical reaction where molecules combine to form a larger molecule
In an addition reaction, two or more reactants form a single product..
mathematical operation adding two matrices
Matrix addition is used in computer graphics.
Origin of addition
Latin, additio (adding to)
Terms with addition included in their meaning
💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
additional
one more in addition to the current one
addition
in addition or also
addition
extra or additional to the original
additional
in addition to what was mentioned
additional
in addition to what was mentioned
extra item
in addition to
addition
in addition to something or someone
addition
additional person or thing
addition
referring to something additional or different
additionally
in addition to
grammar
used before a noun to mean in addition to something mentioned
language
and in addition
not anyone more
not anyone in addition to the mentioned person
addition
in addition to something else
addition
resulting from adding several parts together
addition
part added to something to enlarge or prolong it
extra
in excess or addition
rewards
extra benefit or advantage given in addition
addition
in addition to other people or things
benefit
extra benefit received in addition to an expected one
additional
in addition to what has already been mentioned
additional income
money earned in addition to regular income
enhancement
thoughtful or pleasing addition
additionally
in addition to one's main activity or job
Examples of addition in a sentence
He solved the addition problem quickly. The software update was a useful addition. The new member was a great addition to the team. The addition to the school included a new gym. They planned an addition to the garden area. The chemist explained the addition process in detail.
Addition reactions are fundamental in organic chemistry.
View all translations of addition
Click below to see the appropriate translations facing each meaning.
- French:addition, ajout, ...
- German:Addition, Ergänzung, ...
- Italian:addizione, aggiunta, ...
- Spanish:suma, agregado, ...
- Portuguese:adição, acréscimo, ...
- Chinese:加法, 附加, ...
- Japanese:足し算, 追加物, ...
- Arabic:جَمْع, إضافة, ...
- Hebrew:חִיבּוּר, תוֹסֶפֶת, ...
- Russian:сложение, прибавление, ...
- Ukrainian:додавання, додаток, ...
- Hindi:जोड़, परिवर्धन, ...
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